Comment # 4 on bug 1028975 from Lars Vogdt

(In reply to Ansgar Esztermann from comment #3)
> Upstream installs $CHECKRESULTDIR with setgid $command_grp (so when nagios
> creates the named pipe, it is owned by group nagcmd automatically), but we
> don't.
> 
> Unless there's some compelling reason not to, I'd prefer reverting to
> upstream behaviour here. However, this must not be done in %post. Instead,
> the %attr entry needs to be changed. If there are no objections, I'll create
> an SR.

Absolutely fine with me. 

Let's add security here to also have a look and give their ok.